Pulse condition analysis method based on PPG signals and image enhancing

Abstract

The invention relates to a pulse condition analysis method based on photo plethyamo graphy (PPG) signals and image enhancing. The method includes the following steps of collecting a human face video image, conducting enhancing treatment on the video image to eliminate the influences of low illumination, separating RGB channels of a video, conducting treatment through an ICA algorithm, analyzing the relevance of G channels to obtain PPG pulse wave signals, denoising the noise-containing PPG pulse wave signals, obtaining all feature points of the PPG pulse wave signals, inputting feature valuesof pulse waves into a KNN algorithm to output a pulse condition classification result, comparing the classification result with a standard database, and judging symptoms. By means of the method, a traditional Chinese medicine pulse condition theory and a computer technology are combined, so the objective and quantitative pulse condition analysis can be effectively realized, and the influences of the low-illumination environment on pulse condition analysis during collecting are avoided.

Description

technical field [0001] The invention relates to the field of image processing and signal processing, in particular to a pulse condition analysis method based on PPG signal and image enhancement. Background technique [0002] Pulse condition is the situation and dynamics of the pulse, and it is the main basis for judging human diseases in ancient China. Today's medicine mainly has two ways to detect the pulse of the human body. One is to feel the change of the pulse by putting the finger on the radial artery of the human body, that is, the traditional Chinese medicine method of feeling the pulse, and the other is to use the sensor instead of the finger to sense the pulse change of the radial artery. The former requires professional Chinese medicine personnel to detect, while the latter usually puts appropriate sensors on the measured part, converts the pulsation of the pulse into an electrical signal, and then inputs it into an amplifier circuit, processes the weak signal wit...

AI Technical Summary

Problems solved by technology

[0003] At present, the focus of technical attention is more inclined to the improvement of pulse signal acquisition instruments and methods, or to conduct in-depth analysis and research on a certain link of pulse signal processing and analysis, lacking certain coherence and systematic pulse detection and analysis methods, or It is because some factors that will affect pulse detection are not properly dealt with, such as light

Images